Home / 13,444,312.40-20,139,896.55-7,368,170.30

Finding the Fourth Proportional to 13,444,312.40, 20,139,896.55 and 7,368,170.30

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Solution

The fourth proportional to 13,444,312.40, 20,139,896.55 and 7,368,170.30 is: 11,037,692.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444,312.40 : 20,139,896.55 = 7,368,170.30 : x
  2. Step 2: Convert to fraction form
    13,444,312.40/20,139,896.55 = 7,368,170.30/x
  3. Step 3: Cross multiply
    13,444,312.40x = 20,139,896.55 × 7,368,170.30
  4. Step 4: Simplify right side
    13,444,312.40x = 148,394,187,604,782.47
  5. Step 5: Solve for x
    x = 148,394,187,604,782.47/13,444,312.40
  6. Step 6: Final answer
    x = 11,037,692.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.